BS-EN-12372-1999.pdf
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1、BRITISH STANDARD BS EN 12372:1999 Incorporating Corrigendum No. 1 Natural stone test methods Determination of flexural strength under concentrated load The European Standard EN 12372:1999 has the status of a British Standard ICS 91.100.15 ? Licensed Copy: London South Bank University, London South B
2、ank University, Wed Jan 10 01:45:16 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS EN 12372:1999 This British Standard, having been prepared under the direction of the Sector Committee for Building and Civil Engineering, was published under the authority of the Standards Committee and comes into effe
3、ct on 15 September 1999 BSI 5 September 2003 ISBN 0 580 32289 0 National foreword This British Standard is the English language version of EN 12372:1999, including Corrigendum December 2002. The UK participation in its preparation was entrusted to Technical Committee B/545, Natural stone, which has
4、the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section ent
5、itled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Complian
6、ce with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international an
7、d European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 12, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issu
8、ed. Amendments issued since publication Amd. No.DateComments 14509 Corrigendum No. 1 5 September 2003Correction to equation in A.2 Licensed Copy: London South Bank University, London South Bank University, Wed Jan 10 01:45:16 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPEN
9、NE EUROPISCHE NORM EN 12372 March 1999 ICS 73.020; 91.100.15Incorporating Corrigendum December 2002 English version Natural stone test methods Determination of flexural strength under concentrated load Mthodes dessai pour pierres naturelles Dtermination de la rsistance la flexion sous charge centre
10、Prfverfahren fr Naturstein Bestimmung der Biegefestigkeit unter Mittellinienlast This European Standard was approved by CEN on 12 January 1999. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a n
11、ational standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in
12、 any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Ge
13、rmany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1999 CEN
14、 All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12372:1999 E Licensed Copy: London South Bank University, London South Bank University, Wed Jan 10 01:45:16 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 12372:1999 BSI 5 September 20032
15、 Foreword This European Standard has been prepared by Technical Committee CEN/TC 246, Natural stones, the Secretariat of which is held by UNI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by Septe
16、mber 1999, and conflicting national standards shall be withdrawn at the latest by September 1999. This standard is one of the series of standards for tests on natural stone. Test methods for natural stone consist of the following parts: EN 1925, Natural stone test methods Determination of water abso
17、rption coefficient by capillarity. EN 1926, Natural stone test methods Determination of compressive strength. EN 1936, Natural stone test methods Determination of real density and apparent density and of total and open porosity. EN 12370, Natural stone test methods Determination of resistance to sal
18、t crystallization. prEN 12371, Natural stone test methods Determination of frost resistance. prEN 12407, Natural stone test methods Petrographic description. prEN 13161, Natural stone test methods Determination of flexural strength (under constant moment). prEN 13364, Natural stone test methods Dete
19、rmination of the breaking load at a dowel hole. prEN (WI 00246011), Natural stone test methods Determination of thermal dilatation coefficient. prEN (WI 00246012), Natural stone test methods Determination of sound-speed propagation. prEN (WI 00246014), Natural stone test methods Determination of abr
20、asion resistance. prEN (WI 00246015), Natural stone test methods Determination of Knoop hardness. prEN (WI 00246016), Natural stone test methods Determination of thermal shock resistance. prEN (WI 00246017), Natural stone test methods Determination of slip coefficient. prEN (WI 00246018), Natural st
21、one test methods Determination of static elastic modulus. prEN (WI 00246019), Natural stone test methods Determination of rupture energy. prEN (WI 00246030), Natural stone test methods Determination of surface finishes (rugosity). prEN 13373, Natural stone test methods Determination of geometric cha
22、racteristics on units. prEN (WI 00246032), Natural stone test methods Determination of resistance to ageing by salt mist. prEN (WI 00246033), Natural stone test methods Determination of resistance to ageing by humidity, temperature, SO2 action. prEN (WI 00246035), Natural stone test methods Determin
23、ation of dynamic elastic modulus (by fundamental resonance frequency). prEN (WI 00246036), Natural stone test methods Determination of water absorption at atmospheric pressure. It is intended that other prENs should call up this EN 12372 as the basis of evaluation of conformity. (Nevertheless it is
24、not intended that all natural stones products should be subjected regularly to all the listed tests. Specifications in other standards should call up only relevant test methods). This European Standard has an Annex A (normative). According to the CEN/CENELEC Internal Regulations, the national standa
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